错误：Entry.next=null, data[removeIndex]=66288=com.trs.forum.domain.Post@3d774392 previous=17994=com.trs.forum.domain.Post@56eead52 key=245972 value=com.trs.forum.domain.Post@50d749da size=2000 maxSize=2000 Please check that your keys are immutable, and that you have used synchronization properly. If so, then please report this to commons-dev@jakarta.apache.org as a bug.